Change log for GCP_CLOUDSQL

Date Changes
2024-09-27 - Mapped "labels._HOSTNAME" to "principal.hostname" and "principl.asset.hostname" for the sqlserver.err logs
- Mapped "textPayload" log field to "metadata.description" for the sqlserver.err logs
- Extracted the user from the "textPayload" log field and mapped to "target.user.userid" for the sqlserver.err logs
2024-09-05 Enhancement:
- Mapped "resource.labels.cluster_id" to "target.resource.id".
- Mapped "labels.CONSUMER_PROJECT" to "target.asset.attribute.cloud.project.id".
- Mapped "event_type" to "USER_LOGIN" when "resource_type" is either "cloudsql_database" or "alloydb.googleapis.com/Instance".
2024-07-19 Added additional mappings for deprecated noun.labels.
2024-06-13 Enhancement:
- Added "gsub" to remove "\n" from the "textPayload" field.
2024-05-15 Enhancement:
- Added new Grok patterns to parse "textPayload" field.
2023-11-29 - Aligned "principal/target.hostname" and "principal/target.asset.hostname" mapping.
2023-11-01 - Promoted the parser to default.